window.onload = function() {
	var ye1=document.getElementById("yea1");
	var ye2=document.getElementById("yea2");
	var yeb1=document.getElementById("yeb1");
	var yeb2=document.getElementById("yeb2");
	
	//tap页切换
	ye1.onclick = function(){
		ye1.className="yea1";
		ye2.className="yea2";
		yeb1.style = "display:block";
		yeb2.style = "display:none";
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	ye2.onclick = function(){
		ye1.className="yea2"
		ye2.className="yea1"
		yeb1.style = "display:none"
		yeb2.style = "display:block";
	}
	
	
}